,:«¥:/»■;■' "*, 



205 



Hope, G. W. 1961. The use of antioxidants in canning apple halves. Food 

 Technol. 15: 548. 



Hsu, A. F., Shieh, J. J., Bills, D. D., and White, K. 1988. Inhibition 

 of mushroom polyphenoloxidase by ascorbic acid derivatives. J Food 

 J Sci . 53: 765. 



Hyodo, H and Uritani, I. 1965. o-Diphenol oxidase in sweet potato 

 infected by the black rot fungus. J. Biochem. 57: 161. 



Japan Spectroscopic Co. 1985. "Secondary Structure Estimate 

 Instructional Mannual." Tokyo, Japan. 



Jensenius, J. C, Andersen, I., Hau, J., Crone, M., and Koch, C. 1981 

 Eggs: Conveniently Packaged Antibodies. Methods for Purification of 

 Yolk IgG. J. Immunol. Methods 46: 63. 



Jones, J D., Hulme, A. C, and Wooltorton, L. S. C. 1965. Use of 



poly(vinyl-) pyrrol idinone in the isolation of enzymes from 

 chloroplasts. Phytochemistry 4: 659. 



Joslyn, M A. and Braverman, J. B. S. 1954. The chemistry and technology 

 of the pretreatment and preservation of fruit and vegetable products 

 with sulfur dioxide and sulfite. Adv. Food Res. 3: 1. 



Joslyn, M. A. and Ponting, J. D. 1951. Enzyme-catalyzed oxidative 

 browning of fruit products. Advan. Food Res. 3: 1. 



Kader, A A., Brecht, P. E., Woodruff, R., and Morris, L. 1973 

 influence of carbon monoxide, carbon dioxide, and oxygen levels on 

 brown stain, respiration rate, and visual quality of lettuce. J 

 Amer. Soc. Hort. Sci. 98(5): 485. 



Kahn, V 1976. Polyphenol oxidase isoenzymes in avocado. Phytochemistry 

 lt>: Z67. 



Kahn, V. 1983. Multiple effects of hydrogen peroxide on the activity of 

 avocado polyphenol oxidase. Phytochemistry 22: 2155. 



Kahn, V. and Andrawis, A. 1986. Multiple effect of hydroxylamine on 

 mushroom tyrosinase. Phytochemistry 25: 333. 



Kinosita, R. and Shikata, R. 1964. On toxic moldy rice. In "Mycotoxins 

 in Foodstuffs." G.N. Wogan, Ed., p. 111. The M. I. T. Press 

 Cambridge, MA. 



Khrushcheya, E P and Krehin, N. Ya. 1965. Certain physiological- 

 biological indicators in the leaves of various frost resistant 

 varieties of plums. Agrobiologya 6: 921. 



